Pioneer VSX-LX53 Service Manual page 87

5
QQ
3 7 63 1515 0
SELMID (A-1)
*R3018
C3018 0
NM
*R3019
0
*R3020
*R2740 *R2741
0
NM 0
C2703
CH
100p/50
R2701 R2707 R2709
LOUT
6.8k 330 5.6k
WOUT
R2703 R2705
6
8
1.5k 8.2k
4
V+7_A 5
IC2701 TC4066BFN
V-12_A
1 14
IN/OUT1
IC2702
(1/2)
VDD
2 13
OUT/IN1 NJM4565MD
CIN1
3 12
OUT/IN2
CIN4
4 11
IN/OUT2
IN/OUT4
5 10
CIN2
OUT/IN4
6 9
CIN3
OUT/IN3 IC2702 (2/2)
7 8
VSS
NJM4565MD
IN/OUT3
3
4
R2704 R2706
8
2
1.5k 8.2k
V+12_A
) V-7_A
R2702 R2708 R2710
ROUT
6.8k 330 5.6k
V+7_A
C2704
Q2722
100p/50
LTA124EUB
CH
2721
24EUB
GNDA
(GNDDAS)
V-7_A
LSSN
R_VLIN
L_VLIN
C2700
NM
D2691
1SS302
V+7_A
R2687
NM (2125) GNDD
C2695 CFHX
VLSO
0.01u/16
VLSCK
*C2691
SELMID
(P3 A-8)
330p/50 CH
TE C2693
L 13942296513
ACH1479-A
C2696 CFHX
C2697
0.01u/16
100p/50
*C2692 CH
CH
C2698
330p/50
C2694
100p/50
CH
ACH1479-A
R2688
NM (2125)
V-7_A
GNDD
TOR
47k
47k
47k www
47k
47k
DAC OUT<->
47k PRE OUT
pattern A
47k
INPUT<->
47k
ZONE OUT
pattern A
HP<->
ZONE OUT
pattern A .
GNDA
MULTICH IN
<->PRE OUT
pattern B
5
http://www.xiaoyu163.com
S
CN3794
*IC2901
1
V+7_A
V+12_A 2
INP1
3 INN1
SW DOWN MIX
4 OUT1
AGND1
5
R2711
100 *C2707
7 6 INP2
INN2
10u/50 7
10u/50
8 OUT2
9 AGND2
10 INSW
*C2906
11 AGND3
INSR
10u/50 12
*C2905
13 AGND4
10u/50 14 INSL
AGND5
15
16 INC
R2712
*C2708
V-12_A 100 *C2902
17 AGND6
1
10u/50 10u/50 18 INFR
10u/50
*C2901 19 AGND7
V-7_A INFL
20
10u/50
VEE
SW DOWN MIX SELECT
BD3814FV
IC5301
LSSN H L
IC5301(CONT) H L
ON OFF
SW DOWN MIX
V-7_A
*R2827
NM
R2803 R2809
1k 220
C2801
C2805
1u/50
1u/50
*Q2801
2SK208(Y)
Q2803 (1/2)
IMX25
R2805
V+12_A
*Q2851 10k
UMD2N
2E 1 6 2C
2B 2 5 1B
1C 3 4 1E
GNDA
R2806
V-12_A
10k
Q2803 (2/2)
*Q2802 IMX25
2SK208(Y)
C2806
NM
1u/50
R2804 C2802
*R2828 1k 1u/50 R2810
220
NM
10u/50
*C2751
*C2752
10u/50
*C2757
10u/50
SW PRE AMP
IC2751 (1/2)
NJM4565MD V+12_A
*C2758 V-12_A
3
4 *C2760
R2763
10u/50
0
1 10u/50
8
2
R2760
R2759
6.8k 15k
C2759
100p/50
CH
*C2753
10u/50
*C2754
10u/50
*C2755
10u/50
*C2756
10u/50
R3991
1. RESISTORS
NM
Unit: k-kΩ, M-MΩ or Ω unless otherwise noted.
x R3992 Rated Power: 1/10w unless otherwise noted. ao
NM Toleranee: (J)5% unless otherwise noted.
y
2125 : RS1/8SQ
R3993
NO MARKED : RS1/10SR
NM
2. CAPACITORS
R3994
No marked Ceramic Capacitors are CKSRYB.
NM
No marked Electrolytic Capaciters are CEAT(VSX and VSA series)
No marked Electrolytic Capaciters are CEAK(SC series)
R3995
CH:CCSRCH CFHX:CFHXSQ unless otherwise noted.
NM
Unit: p-pF or u-uF unless otherwise noted.
R3996
i Ratings: Capacity(F)/Voltage(V) unless otherwise noted.
NM
1000p or less : CCSRCH, Over 1000p : CKSRYB
R3997 3. NM: No Mount
NM
R3998
!
The mark found on some component parts should be replaced
NM
R3999
with same parts(safety regulation authorized) of identical
NM
designation.
GNDA GNDA
http://www.xiaoyu163.com
6
8
A-b
1/3
ZONE2 VOL PASS
*R2908
NM
*R2907 NM
*R2910 NM
*R2909 NM
V+7_A
40
AGND10
39
VCC
38
AGND9 *R2905
1k
37 VLSCK
CL
36 Z2VLSO
DA
35 *R2906
MUTE 1k
34
DGND
33 GNDD
AGND8
32
OUTSW
*C2908
31
OUTSR
30 2.2u/50
OUTSL
29
OUTO
28
OUTFR
27
OUTFL
*C2907
26
BNF2L
25
2.2u/50
BNF1L
*C2904
24
BNF2R
23 2.2u/50
BNF1R
22
TNFL
21
TNFR
*C2903
2.2u/50
GNDA
(GNDA_Z)
NM
C2821
RY2851
V+12_A_HP V+12_A 10p/50 CSR1031-A
V-12_A_HP
R2817 R2823
(1/2) 2
NJM4565MD
2
0 NM
IC2801
3
4
C2819 R2819
4
4
1
470u/16 33
8
2
1/4W
R2815
22k 7 7
C2813 R2824
9 9
NM NM
C2822
10p/50
C2814
NM
Q Q
R2816
GNDA
22k
3 6 7 1 3 (GNDHP)
V+12_A_HP
6
8
C2820 R2820
7
470u/16 33
4
5
(2/2) 1/4W
R2818
NJM4565MD
IC2801
0
HEADPHONE AMP
V-12_A_HP V-12_A
A
2/3
A_A_PRE_FL
A_A_PRE_FR
A_A_PRE_C
A_A_PRE_SW
V+12_A
6
8
7
(2/2)
IC2751
4
NJM4565MD
5
V-12_A
A_A_PRE_LS
A_A_PRE_RS
A_A_PRE_SBL
GNDDT
GNDCH
A_A_PRE_SBR
GNDA
*R3911
*R3912
*C3904
0.01u/50
*C3905
0.1u/16
u163
GNDCH
.
VSX-LX53
6
7
2 9 9 4 2 8
AUDIO ASSY (1/3)
A
1/3
(AWX9644)
CONNECTOR
(P3 G-9)
V-7_A
V+7_A
GNDA
SBMUTE
AMUTE
*R2861
0
RYHP
SELMID
(P3 A-8)
*R2863
LSSN
0 SBFHSEL
R2865
5.6k
Z2VLSO
VLSO
*R2867
VLSCK
5.6k
3
3
GNDD
V-12_A
SBFHSEL
8 8
V+12_A_RY V+12_A
SBMUTE
R2855 R2852
AMUTE
47k 0
LSA1576UB(QR)
Q2852
1 5 0 5 8 2 9 9 4
SELMID
(P3 A-8)
R2853
0
Q2853
V-12_A
LTC124EUB
V-12_A_RY
GNDA
V+5_USB
*L3931 RDS DECORDER
QTL1013-A
*C3936 *R3934
4700p/50 NM
*R3931
22
*R3932
22
*X3931
V+12_AB
ASS7004-A-T
4.332MHz *R3942
NM
*Q3941
NM
*R3943
NM
V+12_A
V+12_AB
V+9_T
*Q3901
2SD1664(PQR)
A_A_TU_L
!
A_A_TU_R
NM
m
NM
co
VSX-LX53
VSX-2020-K
GNDTC
R3905-R3906 1M GNDA
7
8
9 9
A
*CN2504
52044-0745
7 MICDET
6 V-7_A
F
5 GNDA
4 GNDA
3 CN3471
V+7_A
2 GNDA
1 MICOUT
B
Q
1 HPL
2 GNDHP
3
HPR
CN3451
4 HPDET
*JH2505
51048-0400
JP2505
D20PYY0450E
CN2861
XKP3078-A
GNDD
1
XHPDET
2
3 RYHP
MICDET
4
LSSN
5
SB/FH SEL
6
T
AMUTE
7
SBMUTE
8
CN3774
Z2MUTE
9
10 Z3MUTE
Z2VLSO
11
VLSO
12
13 VLSCK
14 GNDD
GNDD
15
GNDD
C
SBFHSEL
A
2/3
SBMUTE
AMUTE
2 8 9 9
D
11 V+5_USB
10 V+5_USB
9 GNDUSB
8
GNDUSB
T
7 XRDSRST
6 RDSSCK
CN3772
5 RDSSI
4 TUSI
3 TUSCK
2 TUSO
1
TUCE
CN3901
XKP3076-A
*C3915
NM
CH
*C3916
NM
CH
E
*R3910 *C3917
NM
NM
CH
GNDTC
*CN3902
9604S-11C
1
TUCE
2 TUSO
3 TUSCK
4
TUSI
TUNER
5 GNDT
6 TL
MODULE
7 V+9T
8
TR
9 VSM
10 FMDET
11
GNDT
F
A
1/3
87
8